THAT Edward Mermelstein, 41, celebrated being the youngest lawyer named to the New York Observer list of “The Lawyers You Call” by booking a whirlwind trip next week to Russia, Israel and Turkey to thank foreign real-estate clients . . . THAT Svedka vodka has an ad in Details magazine featuring nightlife impresarios Scott Sartiano, Richie Akiva, Eugene Remm, Mark Birnbaum, Brent Bolthouse and Alison Melnick . . . THAT Snoop Dogg put the cut “1800” — an ode to 1800 tequila — on his album “Malice in Wonderland” in return for a lifetime supply of the booze.